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Inventory (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Inventory [Line Items] |  |
Total inventory | $ 7,691,933 | $ 6,777,919
Less current portion | 3,287,555 | 2,232,721
Inventory (non-current) | 4,404,378 | 4,545,198
Water stock [Member] |  |
Inventory [Line Items] |  |
Total inventory | 33,694 | 36,837
Consumables stock [Member] |  |
Inventory [Line Items] |  |
Total inventory | 118,286 | 106,925
Spare parts stock [Member] |  |
Inventory [Line Items] |  |
Total inventory | $ 7,539,953 | $ 6,634,157

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